Morning warm-up - Johnson Controls - LIT-12011950 - Building automation software - Smart Equipment Controller - 5.0

Smart Equipment Controls Sequence of Operation Technical Bulletin

Product name
Smart Equipment Controller
Document type
Technical Bulletin
Document number
LIT-12011950
Version
5.0
Revision date
2024-06-06
Product status
Active

This section describes the morning warm-up setpoints and related data, inputs, outputs, and operation.

Setpoints and related data

The setpoints and related data include the following items:

  • Morning warm-up enable (MornW-En) is set to On
  • Morning warm-up RAT setpoint (MornWRAT-Sp)
  • Operational space temperature (OprST)
  • Early start period (EarlyStrtPeriod)
  • Optionally: occupancy BI enabled, optimal start enabled, schedule
  • Optionally: operational VAV heating setpoint

Inputs

The inputs include the following items:

  • 24 VAC to limit switch safety terminal LIMIT, LIM2, and LIM3
  • 24 VAC to gas valve verification terminals on MV, GV2, GV3,4

Outputs

The output for morning warm-up is 24 VAC for heat stages from terminals H1, H2, and H3 heat outputs.